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Article History

Received: 29 September 2017

Accepted: 10 January 2018

First Online: 20 February 2018

Ethics approval and consent to participate

: The study was approved by the Ethics Committee of the First Hospital of Jilin University, and written informed consent was provided by each patient’s next of kin/participant.

: Written informed consent was obtained from each patient’s next of kin/participant for publication of their individual details and accompanying images in this manuscript.

: The authors declare that they have no competing interests.

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